US PATENT SUBCLASS 182 / 69.3
.~.~.~.~ And gear to actuate lazy tong

Current as of: June, 1999
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182 /   HD   FIRE ESCAPE, LADDER, OR SCAFFOLD

63.1  DF  HAVING TRANSPOSITIONING BASE AND ERECTING MEANS {4}
64.1  DF  .~ Ladder pivotably mounted on transpositioning base (e.g., on vehicle) {2}
68.1  DF  .~.~ Extension ladder pivotally mounted to be erected about a horizontal axis {3}
69.1  DF  .~.~.~ Having lazy tong extending means {2}
69.3.~.~.~.~ And gear to actuate lazy tong

DEFINITION

Classification: 182/69.3

And gear to actutate lazy tong:

(under subclass 69.1) Device wherein movement of the scissors structure is effected by the meshing engagement between a toothed wheel and another toothed wheel or toothed segment.